<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图 -->
    <el-card>
      <el-row :gutter="10">
        <!-- 搜索 -->
        <el-col :span="8">
          <el-input placeholder="请输入内容" 
          v-model="querylnfo.query" clearable
          @clear="getGoodslist">
            <el-button slot="append" icon="el-icon-search" 
            @click="getGoodslist"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary"
          @click="tianjia"
          >添加商品</el-button>
        </el-col>
      </el-row>
      <!-- batle表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index">
        </el-table-column>
        <el-table-column label="商品名称" prop='goods_name'>
        </el-table-column>
        <el-table-column label="商品价格（元）" prop='goods_price' 
        width="85px"></el-table-column>
        <el-table-column label="商品重量" prop='goods_weight' 
        width="75px"></el-table-column>
        <el-table-column label="创建时间" prop='add_time' width="140px">
          <!-- 自定义渲染  插槽-->
          <template slot-scope="scope">
              {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
        <!-- 编辑 -->
            <el-button 
            type="primary" 
            icon="el-icon-edit" 
            size='mini'>
            </el-button>
        <!-- 删除 -->
            <el-button 
            type="danger" 
            icon="el-icon-delete" 
            size='mini'
            @click="removeByld(scope.row.goods_id)">
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
      @size-change="SizeChange"
      @current-change="handleCurrentChange"
      :current-page="querylnfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="querylnfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  props: {},
  data() {
    return {
      //查询参数对象
      querylnfo:{
        query:"",
        pagenum:1,
        pagesize:10
      },
      //商品列表 数组
      goodslist:[],
      //总数据条数 分页
      total:0
    }
  },
 
  created() {
    this.getGoodslist()
  },
  methods: {
    //根据分页获取对应的商品列表
    async getGoodslist(){
      const{data:res} = await this.$http.get
      ('goods',{
        params:this.querylnfo
      })
      if(res.meta.status !==200){
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      console.log(res.data);
      this.goodslist=res.data.goods //赋值
      this.total=res.data.total //赋值
    },
    //只要触发了pagesize就可以拿到最新的值
    SizeChange(newSize){
      this.querylnfo.pagesize=newSize
      this.getGoodslist() //重新获取数据
    },
    //当前的页码值发生变化就可以拿到最新的页码值
    handleCurrentChange(newPage){
      this.querylnfo.pagenum=newPage
      this.getGoodslist() 
    },
    //删除函数id值
    async removeByld(id){
       const confirmResult=await 
       this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        if(confirmResult !=='confirm'){
          return this.$message.info('已取消删除！')
        }
        const {data:res}=await this.$http.delete(`goods/${id}`)

        if(res.meta.status !==200){
          return this.$message.error('删除失败！')
        }
        this.$message.success('删除成功！')
        this.getGoodslist()
        
    },
    //添加商品函数
    tianjia(){
      //路由 路径
      this.$router.push('/goods/add')
    }
  },
  components: {},
}
</script>

<style scoped lang="less">
</style>
